Mosquitoes testing positive for West Nile virus were discovered in Anaheim and Garden Grove, the Orange County Mosquito and Vector Control District reports.

INDIANAPOLIS - The state’s first West Nile virus (WNV) disease case for the 2025 season has been reported in a Vanderburgh County resident. No additional information about the case will be released to protect patient privacy.

There have been three human cases of West Nile Virus in California this year, with one fatal case, according to the California Department of Public Health.